: The most direct fix is to update your analysis software. For example, upgrading Wireshark to version 3.6 or later typically resolves the issue.
The most reliable fix is to update your packet analysis tools to a version that supports the SLL2 format. Nick vs Networking Instructions Update Wireshark -pcap network type 276 unknown or unsupported-
pcaps with link type 276 fails to ingest with the capture utility : The most direct fix is to update your analysis software
editcap -T 113 broken_type276.pcap fixed_linux.pcap Nick vs Networking Instructions Update Wireshark pcaps with
Are you seeing this error while using in a Kubernetes environment or while using a specific Linux distribution ?
The pcap file format contains a 16-bit field, known as the "linktype" or "network type", which identifies the type of network traffic being captured. This field is used by pcap readers to determine how to interpret the captured packets. The linktype field is usually set to one of the well-known values defined by the pcap library, such as Ethernet (1), IP (12), or Wi-Fi (802.11) (105).